drivers/net: remove some rcu sparse warnings

Add missing __rcu annotations and helpers.
minor : Fix some rcu_dereference() calls in macvtap

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 3dbaf58f681b..2a961b7f7e17 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -435,7 +435,8 @@ bnx2_cnic_stop(struct bnx2 *bp)
         struct cnic_ctl_info info;
 
         mutex_lock(&bp->cnic_lock);
-        c_ops = bp->cnic_ops;
+        c_ops = rcu_dereference_protected(bp->cnic_ops,
+                                          lockdep_is_held(&bp->cnic_lock));
         if (c_ops) {
                 info.cmd = CNIC_CTL_STOP_CMD;
                 c_ops->cnic_ctl(bp->cnic_data, &info);
@@ -450,7 +451,8 @@ bnx2_cnic_start(struct bnx2 *bp)
         struct cnic_ctl_info info;
 
         mutex_lock(&bp->cnic_lock);
-        c_ops = bp->cnic_ops;
+        c_ops = rcu_dereference_protected(bp->cnic_ops,
+                                          lockdep_is_held(&bp->cnic_lock));
         if (c_ops) {
                 if (!(bp->flags & BNX2_FLAG_USING_MSIX)) {
                         struct bnx2_napi *bnapi = &bp->bnx2_napi[0];